We tried a selection of these boots and found the length of the boot to be true to the stated size. I’d advise you to choose the size you normally wear in men’s street shoes. The width is medium or C/D.

Cortech Apex RR Waterproof Boot
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*Features:*
* Upper constructed with Italian microfiber
* HiPora® 3-layer waterproof, breathable membrane
* Accordion panels for improved comfort and movement
* Polyester mesh lining
* TPU shifter guard
* TPU heel protection
* Molded TPU shin guards
* Outer TPR ankle protectors
* TechnoGI thermoplastic molded heel cup and toe cap
* Dual density molded and contoured ankle protectors
* Uni-directional anti-twist molded nylon midsole
* Single-density non-slip sole with added arch support
and heel coverage
* Replaceable molded TPU toe slider
* YKK® zippered opening on the medial side with heavy-
duty hook and loop flap
* Removable and replaceable insole
* Polyester mesh lining